<template>
  <div>
    <button @click="aa">1</button>
    <button @click="bb(11,22,$event)">2</button>
  </div>
</template>

<script>
export default {
  methods : {
    aa (e) {
      console.log(e.target);
      console.log(11);
    },
    bb (a,b,e) {
      console.log(a,b);
      console.log(e.target);
    }
  }
}
</script>

<style>

</style>